Subject
- Lane County (Or.) -- History101
- Oregon -- History29
- Benton County (Or.) -- History11
- Soap Creek Valley (Benton County and Polk County, Or.) -- History11
- Oregon -- Description and travel9
- Forests and forestry -- Northwest, Pacific8
- United States. Forest Service. Pacific Northwest Region8
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club8
- Automobiles -- Societies, etc5
- Beetles -- Northwest, Pacific5
- Cascade Range -- Environmental conditions5
- Dissertations, Academic -- United States -- Bibliography -- Catalogs5
- Forest reserves -- United States5
- Forests and forestry -- United States -- Bibliography5
- Frontier and pioneer life -- Oregon5
- Insects -- Northwest, Pacific5
- Nature conservation -- Washington (State)5
- North Cascades Conservation Council5
- Oregon Agricultural College -- Alumni and alumnae -- Directories5
- Oregon State University -- Dissertations -- Bibliography -- Catalogs5